teeth

发表于 2018-08-09 baleen teeth evolve

Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey. Learn more about…

Elephant Weight Cycles with New Teeth

发表于 2019-02-15 teeth extract sets

Elephants have six sets of teeth over their lives, sometimes two sets at once. At those times, they can extract more nutrition from food and put on weight. Lear…

Whitening Strips Alter Proteins in Teeth

发表于 2019-04-10 alters whitening proteins

Hydrogen peroxide in whitening treatments penetrates enamel and dentin, and alters tooth proteins. Christopher Intagliata reports. Learn more about your ad choi…

Teeth Tell Black Death Genetic Tale

发表于 2019-10-07 teeth arrived adchoices

DNA from the teeth of medieval plague victims indicates the pathogen likely first arrived in eastern Europe before spreading across the continent. Learn more ab…

Megalodon Diets, Teeth Sensitivity and a Bunch of Vaccine News

发表于 2025-06-03 diets feltman teeth

The measles outbreak in West Texas is slowing. Health officials think an increase in vaccination rates contributed to the slowdown, but Texas lawmakers have pus…

The Truth is in the Tooth: Braces, Cavities, and the Paleo Diet

发表于 2018-11-20 tooth cavities teeth

Brush, floss, and forget: chances are, you only think about your teeth when they cause you trouble. But teeth have tales to tell, such as how old we are, how fa…